Search a number
-
+
70304895 = 3354211237
BaseRepresentation
bin1000011000011…
…00010001111111
311220021212012000
410030030101333
5120444224040
610550513343
71512403353
oct414142177
9156255160
1070304895
113675a121
121b665853
131174753b
1494a1463
15628b130
hex430c47f

70304895 has 32 divisors (see below), whose sum is σ = 125384640. Its totient is φ = 37376640.

The previous prime is 70304887. The next prime is 70304929. The reversal of 70304895 is 59840307.

It is not a de Polignac number, because 70304895 - 23 = 70304887 is a prime.

It is a super-2 number, since 2×703048952 = 9885556521922050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56217 + ... + 57453.

It is an arithmetic number, because the mean of its divisors is an integer number (3918270).

Almost surely, 270304895 is an apocalyptic number.

70304895 is a deficient number, since it is larger than the sum of its proper divisors (55079745).

70304895 is a wasteful number, since it uses less digits than its factorization.

70304895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 70304895 is about 8384.8014287758. The cubic root of 70304895 is about 412.7260248898.

The spelling of 70304895 in words is "seventy million, three hundred four thousand, eight hundred ninety-five".

Divisors: 1 3 5 9 15 27 45 135 421 1237 1263 2105 3711 3789 6185 6315 11133 11367 18555 18945 33399 55665 56835 166995 520777 1562331 2603885 4686993 7811655 14060979 23434965 70304895